Windows 11 445 Published by

Microsoft has released the KB5039304 (OS Build 26100.1000) Preview for Windows 11 24H2. This update resolves non-security vulnerabilities in Windows operating systems, including quality enhancements. It resolves issues with Windows Defender Application Control, DWM.exe, Country and Operator Settings Asset profiles, Unified Write Filter, and the Input Method Editor candidate list. The update includes updated mobile operator profiles, fixes access denied exceptions in WMI API calls, and corrects the Input Method Editor candidate list.



June 28, 2024—KB5039304 (OS Build 26100.1000) Preview

Highlights

  • This update addresses non-security issues for your Windows operating system. 

Improvements

This non-security update includes quality improvements. When you install this KB:

  • This update addresses an issue that affects Windows Defender Application Control (WDAC). It fails to verify the policies of some apps.

  • This update addresses an issue that affects WDAC. It reports a certain class of its policies as not active or authorized.

  • This update addresses an issue that might cause DWM.exe to stop responding.

  • This update brings Country and Operator Settings Asset (COSA) profiles up to date for certain mobile operators.

  • This update addresses an issue that affects Unified Write Filter (UWF). Windows Management Instrumentation (WMI) API calls to shut down or restart a system throws an access denied exception.

  • The Input Method Editor (IME) candidate list fails to show or shows in the wrong position. This update addresses this issue.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.

Windows 11 servicing stack update (KB5039333) - 26100.998

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. 


June 28, 2024—KB5039304 (OS Build 26100.1000) Preview - Microsoft Support